Metrics per run

https://en.wikipedia.org/wiki/Taylor_Swift

Tested 2025-08-29 14:35:51 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 506 ms 488 ms 503 ms 487 ms 488 ms488 ms494 ms8 ms1.68 %
First Contentful Paint 1.308 s 1.320 s 1.308 s 1.300 s 1.300 s1.308 s1.307 s7 ms0.56 %
Largest Contentful Paint 1.308 s 1.320 s 1.308 s 1.300 s 1.300 s1.308 s1.307 s7 ms0.56 %
Total Blocking Time 229 ms 232 ms 231 ms 233 ms 234 ms232 ms232 ms2 ms0.74 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.308 s 1.320 s 1.308 s 1.300 s 1.300 s1.308 s1.307 s7 ms0.56 %
First Contentful Paint 1.308 s 1.320 s 1.308 s 1.300 s 1.300 s1.308 s1.307 s7 ms0.56 %
Largest Contentful Paint 1.308 s 1.320 s 1.308 s 1.300 s 1.300 s1.308 s1.307 s7 ms0.56 %
Load Event End 1.972 s 1.958 s 1.978 s 1.958 s 1.965 s1.965 s1.966 s8 ms0.40 %
Server Response Time 519 ms 519 ms 517 ms 518 ms 519 ms519 ms518 ms1 ms0.15 %
TTFB 506 ms 488 ms 503 ms 487 ms 488 ms488 ms494 ms8 ms1.68 %
Page Load Time 1.972 s 1.958 s 1.978 s 1.958 s 1.965 s1.965 s1.966 s8 ms0.40 %
First Visual Change 1.300 s 1.333 s 1.300 s 1.300 s 1.300 s1.300 s1.307 s13 ms1.01 %
Last Visual Change 2.533 s 2.633 s 2.633 s 2.633 s 2.666 s2.633 s2.620 s45 ms1.72 %
Speed Index 1.334 s 1.363 s 1.336 s 1.331 s 1.336 s1.336 s1.340 s12 ms0.87 %
Visual Readiness 1.233 s 1.300 s 1.333 s 1.333 s 1.366 s1.333 s1.313 s45 ms3.44 %
Visual Complete 95 1.366 s 1.366 s 1.366 s 1.333 s 1.366 s1.366 s1.359 s13 ms0.97 %
Visual Complete 99 2.533 s 2.533 s 2.533 s 2.533 s 2.566 s2.533 s2.540 s13 ms0.52 %
CPU metrics
Total Blocking Time 229 ms 232 ms 231 ms 233 ms 234 ms232 ms232 ms2 ms0.74 %
Max Potential FID 137 ms 136 ms 135 ms 139 ms 150 ms137 ms139 ms5 ms3.92 %
Number of Long Tasks 6 6 6 6 66600.00 %
Total Duration of Long Tasks 858 ms 882 ms 858 ms 863 ms 875 ms863 ms867 ms10 ms1.11 %
Browser metrics
CPU benchmark score 33 ms 33 ms 33 ms 33 ms 33 ms33 ms33 ms0 ms0.00 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20837 20838 20838 20838 20838208382083800.00 %
Document height 41368 41368 41368 41368 41368413684136800.00 %
Total Requests 63 63 63 63 63636300.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 7 7 7 7 77700.00 %
CSS Requests 2 2 2 2 22200.00 %
Font Requests 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0000N/A
Total Transfer Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB10 B0.00 %
HTML Transfer Size 243.1 KB 243.1 KB 243.1 KB 243.1 KB 243.1 KB243.1 KB243.1 KB0 b0.00 %
JavaScript Transfer Size 369.4 KB 369.4 KB 369.4 KB 369.4 KB 369.4 KB369.4 KB369.4 KB4 B0.00 %
CSS Transfer Size 26.9 KB 26.9 KB 26.9 KB 26.9 KB 26.9 KB26.9 KB26.9 KB1 B0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.7 KB 1.7 KB 1.7 KB 1.7 KB 1.7 KB1.7 KB1.7 KB0 b0.00 %
SVG Transfer Size 28.6 KB 28.6 KB 28.6 KB 28.6 KB 28.6 KB28.6 KB28.6 KB0 b0.00 %
Total Content Size 3.8 MB 3.8 MB 3.8 MB 3.8 MB 3.8 MB3.8 MB3.8 MB0 b0.00 %
HTML Content Size 1.5 MB 1.5 MB 1.5 MB 1.5 MB 1.5 MB1.5 MB1.5 MB0 b0.00 %
JavaScript Content Size 1.6 MB 1.6 MB 1.6 MB 1.6 MB 1.6 MB1.6 MB1.6 MB0 b0.00 %
CSS Content Size 190.9 KB 190.9 KB 190.9 KB 190.9 KB 190.9 KB190.9 KB190.9 KB0 b0.00 %
Image Content Size 523.2 KB 523.2 KB 523.2 KB 523.2 KB 523.2 KB523.2 KB523.2 KB0 b0.00 %
Font Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 2.7 KB 2.7 KB 2.7 KB 2.7 KB 2.7 KB2.7 KB2.7 KB0 b0.00 %
SVG Content Size 23.7 KB 23.7 KB 23.7 KB 23.7 KB 23.7 KB23.7 KB23.7 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 63 63 63 63 63636300.00 %
First Party Total Transfer Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB10 B0.00 %
First Party Total Content Size 3.8 MB 3.8 MB 3.8 MB 3.8 MB 3.8 MB3.8 MB3.8 MB0 b0.00 %